English verb conjugation
COULD SCHUSS

Regular verb: schuss - schussed - schussed

Affirmation

Simple form	V-ing form
I could schuss you could schuss he could schuss we could schuss you could schuss they could schuss	I could be schussing you could be schussing he could be schussing we could be schussing you could be schussing they could be schussing
Perfect	V-ing perfect
I could have schussed you could have schussed he could have schussed we could have schussed you could have schussed they could have schussed	I could have been schussing you could have been schussing he could have been schussing we could have been schussing you could have been schussing they could have been schussing

Negation

Simple form	V-ing form
I couldn't schuss you couldn't schuss he couldn't schuss we couldn't schuss you couldn't schuss they couldn't schuss	I couldn't be schussing you couldn't be schussing he couldn't be schussing we couldn't be schussing you couldn't be schussing they couldn't be schussing
Perfect	V-ing perfect
I couldn't have schussed you couldn't have schussed he couldn't have schussed we couldn't have schussed you couldn't have schussed they couldn't have schussed	I couldn't have been schussing you couldn't have been schussing he couldn't have been schussing we couldn't have been schussing you couldn't have been schussing they couldn't have been schussing

Interrogative form

Simple form	V-ing form
could I schuss? could you schuss? could he schuss? could we schuss? could you schuss? could they schuss?	could I be schussing? could you be schussing? could he be schussing? could we be schussing? could you be schussing? could they be schussing?
Perfect	V-ing perfect
could I have schussed? could you have schussed? could he have schussed? could we have schussed? could you have schussed? could they have schussed?	could I have been schussing? could you have been schussing? could he have been schussing? could we have been schussing? could you have been schussing? could they have been schussing?

Interro-negative form

Simple form	V-ing form
couldn't I schuss? couldn't you schuss? couldn't he schuss? couldn't we schuss? couldn't you schuss? couldn't they schuss?	couldn't I be schussing? couldn't you be schussing? couldn't he be schussing? couldn't we be schussing? couldn't you be schussing? couldn't they be schussing?
Perfect	V-ing perfect
couldn't I have schussed? couldn't you have schussed? couldn't he have schussed? couldn't we have schussed? couldn't you have schussed? couldn't they have schussed?	couldn't I have been schussing? couldn't you have been schussing? couldn't he have been schussing? couldn't we have been schussing? couldn't you have been schussing? couldn't they have been schussing?